I have yet to see someone able to perform a kipping muscle-up with half their bodyweight hanging on them. That much weight precludes any possibility of kipping. The only way to manage a muscle-up of this magnitude is with pure raw strength built from years of dedicated and progressive effort.

I mean when I did my +70 lbs MU at 130-135 lbs bodyweight about 1.5 months ago.. it was pretty much what you would call strict.

However, it IS possible to kip with that weight because I could feel that I could control it through the transition if I had wanted to. Would I want to kip it? No, it's pretty dangerous trying to move that much weight & be dynamically dropping into the bottom of a dip...

I don't know if Sommer means kipping a MU as in CF or kipping as in outlined in the BtGB book. Seriously, his example of a kip is pulling with the feet in front, so the body is around 60 degrees off vert, then swinging the feet back to transition into the dip.

I mean when I did my +70 lbs MU at 130-135 lbs bodyweight about 1.5 months ago.. it was pretty much what you would call strict.

However, it IS possible to kip with that weight because I could feel that I could control it through the transition if I had wanted to. Would I want to kip it? No, it's pretty dangerous trying to move that much weight & be dynamically dropping into the bottom of a dip...

You have pure raw strength from years of dedication and progressive effort though!